2015
DOI: 10.1186/s13047-015-0100-y
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Foot loading is different in people with and without pincer nails: a case control study

Abstract: BackgroundRecent studies suggest that pincer nails are caused by lack of upward mechanical forces on the toe pad. However, clinically significant pincer nails are also often observed among healthy walkers. It was hypothesized that in these cases, the affected toes do not receive adequate physical stimulation from walking and loading. To test this, the gait characteristics of pincer nail cases were assessed by measuring plantar pressure during walking.MethodsIn total, 12 bilateral pincer nail cases (24 affected… Show more

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Cited by 7 publications
(9 citation statements)
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“…This may explain why athletes who need to kick the ground strongly frequently experience PN . However, our data conflict with previous reports wherein authors have demonstrated that the pressure on the first toe of subjects with PN was lower than that of those without PN, and that subjects with PN experienced peak pressure on the metatarsal area . This discrepancy may be attributable to the fact that we only studied female subjects with PN and used different devices for analyses.…”
Section: Discussioncontrasting
confidence: 98%
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“…This may explain why athletes who need to kick the ground strongly frequently experience PN . However, our data conflict with previous reports wherein authors have demonstrated that the pressure on the first toe of subjects with PN was lower than that of those without PN, and that subjects with PN experienced peak pressure on the metatarsal area . This discrepancy may be attributable to the fact that we only studied female subjects with PN and used different devices for analyses.…”
Section: Discussioncontrasting
confidence: 98%
“…The first toe nail of bedridden individuals is known to show more overcurvature than that of healthy individuals, suggesting that a lack of upward mechanical forces cause PN . Additionally, an analysis of the pressure on the first toe of healthy individuals with PN showed lower pressure than that of those without PN . Moreover, healthy individuals with PN experienced peak pressure on the metatarsal area, while those without PN experienced it on the first toe area .…”
Section: Introductionmentioning
confidence: 93%
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“…A force from the downward usually works to flatten nail plate, and lack of such a force causes pincer nail. Sano et al have reported that in both the barefoot and the shod state, the patient group of pincer nail had significantly lower pressure on the first toe than the control group. Loss of pressure could contribute to the development of pincer nail.…”
Section: Definition and Mechanism Of Ingrown Nail And Pincer Nailmentioning
confidence: 99%